Mixed Signals: The Fascinating History of the Traffic Light

We use them every day. Whether on foot or bicycle, by car or bus, the traffic signal has become so integral to our daily lives that we're hardly conscious of them anymore. But did you know that several makes and models were implemented before the final form we use today? Find out just how many (and how many equally brilliant people) were involved in their creation, development and evolution, this week on the 'History Loves Company' podcast!